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#1 |
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Jim
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What gas do you run?
I have a 2012 V6 LFX I use 87 octane (dealer recommended
) just wondering if anyone uses a higher octane and if so do you notice better gas mileage or performance?
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#2 |
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Account Suspend...Right
Drives: Synergy LS & Vulcan 1600cc Join Date: Apr 2011
Location: Lakeland, Florida
Posts: 3,547
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nope, I use 87 as well in my v6. some people run higher octane in the v6 but its just costs them more money to fill up, thats it. Ive seen a hundred threads on this.
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#3 |
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Account Suspended
Drives: 2012 Camaro 1SS Black Coupe Join Date: May 2012
Location: Houston
Posts: 1,091
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Nope. 87 Octane here. I've heard higher octane boosts the performance a little bit in these cars, but to me it's not worth it. Regular gas was one of the reasons I got the V6.
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#4 |
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91-93 Octane.
103+ when racing. |
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#5 |
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Don't Sleep on My V6
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I use 93 when just driving. But when at the track I spray in some 100% Meth when boosting.
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#6 |
![]() Drives: 79 transam with 582cid dart motor Join Date: Jun 2010
Location: missouri
Posts: 529
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93 can you do a fuse pull to take advantage of the 93 as opposed to 91? Or does the code pull only reset to 91.
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2010 Camaro (inferno orange, 2SS, RS and such) cat backs, catch can, CAI on the way 79 Transam, 582 cid dart motor 779hp 315's out back 40spline gdaxles tko tranny |
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#7 |
![]() ![]() Drives: 2015 Camaro 1SS Join Date: Dec 2011
Location: Houston, TX
Posts: 835
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the v6 does not have two separate octane table like the V8, but it does adjust timing a little bit depending on octane. I always run 91 in my LFX because that is what's available to me.
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#8 |
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ZLT!!! COTW (8/5/13)
Drives: 2011 IOM 1LT RS M6 Join Date: Mar 2012
Location: Slatington, PA
Posts: 4,773
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So doesn't make any difference on the performance if i use 87 or 91?
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#9 |
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Jan
Drives: 2010 Camaro 1LT Red Jewel tintcoat Join Date: May 2010
Location: Springfield, TN
Posts: 16,241
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Uh, YES it makes a BIG difference. It resets the PCM on the car to a lower octane table when you use the lower octane. The V6 will automatically reset itself to the higher octane table when you start runing higher octane. The V8's have to do a fuse pull to get it to reset
http://www.camaro5.com/forums/showth...ghlight=octane I saw a big difference when I started running Shell 93 octane after the low octane crap the dealer put in it (even the factory uses lower octane). You should also use "Top Tier" gasoline recommended by GM (go to www.toptiergas.com ). I run only Shell 93 octane. It is WELL worth the extra $ to me. I get a much better permagrin. There is a ton of info on C5 on all this if you search.
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#10 |
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Let's go Rangers!
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Shell 93 ONLY!
I can say without a doubt I noticed a difference between 87 and 93! |
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#11 |
![]() Drives: 2012 SS Join Date: May 2012
Location: FAIRPORT NY
Posts: 286
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ethanol free 87. i figure id use it, the station is only a couple miles away. plus my car sits in the garage alot. more mpg and big performance change.
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#12 |
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knows 2 facts about ducks
Drives: ...and they're both wrong Join Date: Aug 2009
Location: The HMS Invincible
Posts: 25,072
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I would love to have ethanol free gas
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#13 |
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The Mark of Excellence
Drives: 2010 ABM 1SS RS LS3 Join Date: Jan 2009
Location: Smallest State in the Union
Posts: 8,688
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Sunoco 93, just wish it didn't contain 10% ethanol.
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BMR, CAI, DynoMax, Elite Eng., Hurst, Jannetty, Clear Image Headers & Hi Flow cats, Jet Hot, LSR, TSW, VMax, Vredestein |
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#14 |
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93 octane must be a regional thing, highest sold here unless you buy racing gas is 91 octane.
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